@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-primary: #070a13;
    --bg-secondary: #0f1322;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.8);
    --color-primary: #06b6d4; /* Cyan */
    --color-secondary: #8b5cf6; /* Violet */
    --color-text-main: #f3f4f6; /* Light Gray */
    --color-text-muted: #9ca3af; /* Muted Gray */
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(6, 182, 212, 0.25);
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-title: 'Space Grotesk', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glow-cyan: 0 0 25px rgba(6, 182, 212, 0.15);
    --glow-purple: 0 0 25px rgba(139, 92, 246, 0.15);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    margin-bottom: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 4px;
        background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
        box-shadow: 0 0 15px rgba(6, 182, 212, 0.6);
        z-index: 9999;
        pointer-events: none;
    }

    body::after {
        content: '';
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 4px;
        background: linear-gradient(to bottom, var(--color-secondary), var(--color-primary));
        box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
        z-index: 9999;
        pointer-events: none;
    }

/* Custom Selection and Scrollbar */
::selection {
    background-color: var(--color-primary);
    color: #070a13;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #1f2937;
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}

    ::-webkit-scrollbar-thumb:hover {
        background: var(--color-primary);
    }

/* Focus outline glow */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--bg-primary), 0 0 0 0.25rem var(--color-primary);
}

/* Header & Glassmorphism Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

    .site-header .navbar {
        padding: 1rem 0;
        background-color: rgba(7, 10, 19, 0.75) !important;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-glass);
        transition: var(--transition-smooth);
    }

.navbar-brand {
    font-family: var(--font-title);
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 30%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    transition: var(--transition-smooth);
    position: relative;
}

    .navbar-brand::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        transition: var(--transition-smooth);
    }

    .navbar-brand:hover::after {
        width: 100%;
    }

.navbar-nav .nav-link {
    color: var(--color-text-muted) !important;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1.2rem !important;
    transition: var(--transition-smooth);
    position: relative;
}

    .navbar-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 1.2rem;
        right: 1.2rem;
        height: 2px;
        background-color: var(--color-primary);
        transform: scaleX(0);
        transition: var(--transition-smooth);
        transform-origin: right;
    }

    .navbar-nav .nav-link:hover {
        color: var(--color-text-main) !important;
    }

        .navbar-nav .nav-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }

/* Navbar Toggle for Mobile */
.navbar-toggler {
    border-color: var(--border-glass) !important;
    padding: 0.4rem 0.6rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%286, 182, 212, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Hero Section */
.portfolio-hero {
    padding: 120px 0 80px 0;
    background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%), radial-gradient(circle at 10% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-text {
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-family: var(--font-title);
    box-shadow: var(--glow-cyan);
}

    .hero-badge .dot {
        width: 8px;
        height: 8px;
        background-color: var(--color-primary);
        border-radius: 50%;
        display: inline-block;
        animation: pulse-glow 2s infinite;
    }

@keyframes pulse-glow {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(6, 182, 212, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0);
    }
}

.hero-title {
    margin-bottom: 1.5rem;
    font-family: var(--font-title);
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 70%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.hero-description {
    margin-bottom: 2.2rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    max-width: 650px;
}

.hero-typewriter {
    min-height: calc(1.8em * 3);
    display: block;
}

.hero-typewriter-text {
    color: var(--color-text-main);
}

.hero-typewriter-cursor {
    display: inline-block;
    margin-left: 0.12rem;
    color: var(--color-primary);
    font-weight: 600;
    animation: typewriter-cursor-blink 0.85s steps(1) infinite;
}

@keyframes typewriter-cursor-blink {
    0%, 45% {
        opacity: 1;
    }

    46%, 100% {
        opacity: 0;
    }
}

.hero-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.1rem;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    font-size: 0.9rem;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

    .contact-chip svg {
        width: 16px;
        height: 16px;
        color: var(--color-primary);
    }

    .contact-chip:hover {
        border-color: var(--border-glass-hover);
        background: var(--bg-card-hover);
        transform: translateY(-2px);
    }

/* Hero Photo & Frame */
.hero-card-image {
    display: grid;
    justify-items: center;
    position: relative;
}

.photo-wrapper {
    position: relative;
    width: 100%;
    max-width: 260px;
}

    .photo-wrapper::before {
        content: '';
        position: absolute;
        top: -15px;
        left: -15px;
        right: 15px;
        bottom: 15px;
        border-radius: 24px;
        border: 2px solid var(--color-primary);
        opacity: 0.3;
        z-index: 1;
        pointer-events: none;
        transition: var(--transition-smooth);
    }

    .photo-wrapper::after {
        content: '';
        position: absolute;
        top: 15px;
        left: 15px;
        right: -15px;
        bottom: -15px;
        border-radius: 24px;
        border: 2px solid var(--color-secondary);
        opacity: 0.3;
        z-index: 1;
        pointer-events: none;
        transition: var(--transition-smooth);
    }

    .photo-wrapper:hover::before {
        transform: translate(-5px, -5px);
        opacity: 0.6;
    }

    .photo-wrapper:hover::after {
        transform: translate(5px, 5px);
        opacity: 0.6;
    }

.hero-photo {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--glow-cyan);
    display: block;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.hero-social {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
    position: relative;
    z-index: 3;
}

    .hero-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        color: var(--color-text-muted);
        font-size: 0px; /* Hide text, use icon or label */
        transition: var(--transition-smooth);
        box-shadow: var(--card-shadow);
    }

        .hero-social a svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
            transition: var(--transition-smooth);
        }

        .hero-social a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            transform: translateY(-4px) scale(1.05);
            box-shadow: var(--glow-cyan);
        }

/* Sections General */
.portfolio-section {
    padding: 100px 0;
    border-top: 1px solid var(--border-glass);
}

.bg-light {
    background-color: var(--bg-secondary) !important;
}

.section-header {
    max-width: 800px;
    margin-bottom: 4rem;
}

    .section-header h2 {
        font-family: var(--font-title);
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 1rem;
        background: linear-gradient(135deg, #ffffff 60%, var(--color-primary) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-fill-color: transparent;
    }

    .section-header p {
        color: var(--color-text-muted);
        font-size: 1.1rem;
        line-height: 1.7;
    }

/* About Me Content */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: start;
}

.about-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 2rem 1.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

    .metric-card:hover {
        transform: translateY(-5px);
        border-color: var(--border-glass-hover);
        box-shadow: var(--glow-purple);
    }

.metric-num {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    display: block;
    margin-bottom: 0.25rem;
}

.metric-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-content {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.85;
}

    .about-content p {
        margin-bottom: 1.5rem;
    }

        .about-content p:last-child {
            margin-bottom: 0;
        }

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 2.2rem;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

    .skill-group:hover {
        transform: translateY(-5px);
        border-color: rgba(6, 182, 212, 0.3);
        box-shadow: var(--glow-cyan);
    }

    .skill-group h3 {
        font-family: var(--font-title);
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--color-primary);
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

        .skill-group h3::after {
            content: '';
            flex-grow: 1;
            height: 1px;
            background: linear-gradient(90deg, rgba(6, 182, 212, 0.3), transparent);
        }

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

    .skill-list span {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.6rem 1rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--border-glass);
        color: var(--color-text-main);
        font-size: 0.9rem;
        font-weight: 500;
        transition: var(--transition-smooth);
    }

        .skill-list span::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-secondary);
            display: inline-block;
            opacity: 0.7;
        }

.skill-group:hover .skill-list span::before {
    background-color: var(--color-primary);
}

.skill-list span:hover {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.4);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Footer style */
.site-footer {
    background-color: var(--bg-primary);
    color: var(--color-text-muted);
    border-top: 1px solid var(--border-glass);
    padding: 60px 0 40px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-text {
    font-size: 0.95rem;
}

.heart-icon {
    display: inline-block;
    color: #ef4444;
    margin: 0 0.4rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.footer-social {
    display: flex;
    gap: 1.25rem;
}

    .footer-social a {
        color: var(--color-text-muted);
        transition: var(--transition-smooth);
        width: 40px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--border-glass);
    }

        .footer-social a svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }

        .footer-social a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            transform: translateY(-3px);
            background: rgba(6, 182, 212, 0.05);
            box-shadow: var(--glow-cyan);
        }

/* Responsive details */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-card-image {
        order: -1;
    }

    .hero-contact {
        justify-content: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-metrics {
        order: 1;
    }
}

@media (max-width: 768px) {
    .site-header .navbar {
        padding: 0.75rem 0;
    }

    .portfolio-hero {
        padding: 100px 0 60px 0;
    }

    .portfolio-section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
        text-align: center;
    }

    .metric-card {
        padding: 1.5rem 1rem;
    }

    .hero-typewriter {
        min-height: calc(1.8em * 4);
    }
}

@media (max-width: 576px) {
    .hero-description {
        font-size: 1rem;
    }

    .hero-typewriter {
        min-height: calc(1.8em * 5);
    }

    .hero-contact {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .contact-chip {
        width: 100%;
        justify-content: center;
    }

    .about-metrics {
        grid-template-columns: 1fr;
    }
}

.icon {
    width: 1.25rem !important;
    height: 1.25rem !important;
    fill: currentColor;
    display: inline-block;
    vertical-align: middle;
}

/* =============================================
   TECH ICON GRID — Skills & Technologies
   ============================================= */

/* Category wrapper */
.tech-category {
    margin-bottom: 3.5rem;
}

    .tech-category:last-child {
        margin-bottom: 0;
    }

/* Category title bar */
.tech-category-title {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(6, 182, 212, 0.18);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

    .tech-category-title::after {
        content: '';
        flex: 1;
        height: 1px;
        background: linear-gradient(90deg, rgba(6, 182, 212, 0.25), transparent);
    }

.tech-category-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 8px;
    flex-shrink: 0;
}

    .tech-category-icon svg {
        width: 16px;
        height: 16px;
        stroke: var(--color-primary);
    }

/* Responsive icon grid */
.tech-icon-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
}

/* Individual tech card */
.tech-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: default;
    outline: none;
}

.tech-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: 1.2rem 0.75rem 1rem;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
    will-change: transform;
}

/* SVG logo inside card */
.tech-logo {
    width: 52px;
    height: 52px;
    display: block;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
    transition: filter 0.28s ease, transform 0.28s ease;
}

/* Technology name label */
.tech-label {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: center;
    letter-spacing: 0.04em;
    line-height: 1.3;
    transition: color 0.28s ease;
    max-width: 90px;
    word-break: break-word;
}

/* ---- Hover & Focus States ---- */
.tech-card:hover .tech-card-inner,
.tech-card:focus-visible .tech-card-inner {
    transform: translateY(-6px) scale(1.06);
    background: rgba(6, 182, 212, 0.07);
    border-color: rgba(6, 182, 212, 0.4);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 20px rgba(6, 182, 212, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.tech-card:hover .tech-logo,
.tech-card:focus-visible .tech-logo {
    filter: drop-shadow(0 4px 12px rgba(6, 182, 212, 0.4));
    transform: scale(1.08);
}

.tech-card:hover .tech-label,
.tech-card:focus-visible .tech-label {
    color: var(--color-text-main);
}

/* ---- Custom Tooltip ---- */
.tech-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: rgba(15, 19, 34, 0.95);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 0.42rem 0.9rem;
    border-radius: 8px;
    border: 1px solid rgba(6, 182, 212, 0.3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 12px rgba(6, 182, 212, 0.12);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    z-index: 100;
    letter-spacing: 0.03em;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

    /* Tooltip arrow */
    .tech-tooltip::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        border: 6px solid transparent;
        border-top-color: rgba(6, 182, 212, 0.4);
    }

/* Show tooltip on hover/focus */
.tech-card:hover .tech-tooltip,
.tech-card:focus-visible .tech-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* =============================================
   RESPONSIVE BREAKPOINTS — Tech Icon Grid
   ============================================= */

/* Large tablets / small desktops: 5 per row */
@media (max-width: 1200px) {
    .tech-icon-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Tablets: 4 per row */
@media (max-width: 992px) {
    .tech-icon-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .tech-logo {
        width: 46px;
        height: 46px;
    }
}

/* Small tablets / large phones: 3 per row */
@media (max-width: 768px) {
    .tech-icon-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .tech-category-title {
        font-size: 1rem;
        margin-bottom: 1.25rem;
    }

    .tech-logo {
        width: 42px;
        height: 42px;
    }

    .tech-label {
        font-size: 0.68rem;
    }
}

/* Mobile phones: 3 per row (min), 2 per row if too narrow */
@media (max-width: 480px) {
    .tech-icon-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .tech-card-inner {
        padding: 1rem 0.5rem 0.75rem;
        border-radius: 14px;
    }

    .tech-logo {
        width: 38px;
        height: 38px;
    }

    .tech-label {
        font-size: 0.65rem;
    }

    /* On small screens push tooltip above with more space */
    .tech-tooltip {
        font-size: 0.75rem;
    }
}

@media (max-width: 360px) {
    .tech-icon-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =============================================
   CONTACT SECTION
   ============================================= */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3.5rem;
    align-items: start;
}

/* Info column */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.18);
    flex-shrink: 0;
    color: var(--color-primary);
}

    .contact-info-icon svg {
        width: 20px;
        height: 20px;
    }

.contact-info-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.contact-info-value {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

a.contact-info-value:hover {
    color: var(--color-text-main);
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-input {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    width: 100%;
    -webkit-appearance: none;
}

    .form-input::placeholder {
        color: rgba(156, 163, 175, 0.45);
    }

    .form-input:focus {
        border-color: var(--color-primary);
        background: rgba(6, 182, 212, 0.04);
        box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
    }

    .form-input.input-error {
        border-color: #f87171;
        box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.12);
    }

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

/* Submit button */
.contact-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-family: var(--font-title);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    box-shadow: 0 4px 18px rgba(6, 182, 212, 0.3);
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    align-self: flex-start;
    position: relative;
    overflow: hidden;
    min-width: 168px;
}

    .contact-submit-btn:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(6, 182, 212, 0.45);
    }

    .contact-submit-btn:active:not(:disabled) {
        transform: translateY(0);
    }

    .contact-submit-btn:disabled {
        opacity: 0.7;
        cursor: not-allowed;
    }

    .contact-submit-btn .btn-icon svg {
        width: 17px;
        height: 17px;
    }

/* Spinner inside button */
.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.contact-submit-btn.is-loading .btn-text,
.contact-submit-btn.is-loading .btn-icon {
    display: none;
}

.contact-submit-btn.is-loading .btn-spinner {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Contact responsive */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.25rem;
    }

    .contact-info-item {
        flex: 1 1 200px;
    }
}

@media (max-width: 576px) {
    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: column;
    }

    .contact-submit-btn {
        width: 100%;
        justify-content: center;
    }
}

/* =============================================
   TOAST NOTIFICATION SYSTEM
   ============================================= */

.toast-container {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: 360px;
    width: calc(100vw - 3.5rem);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    border-radius: 14px;
    background: rgba(15, 19, 34, 0.96);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.04) inset;
    pointer-events: all;
    position: relative;
    overflow: hidden;
    /* slide-in from right */
    animation: toastSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

    .toast.toast-hide {
        animation: toastSlideOut 0.3s ease forwards;
    }

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(110%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(110%);
    }
}

/* Coloured left accent + icon per variant */
.toast-success {
    border-left: 3px solid #22c55e;
}

.toast-error {
    border-left: 3px solid #f87171;
}

.toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.toast-error .toast-icon {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
}

.toast-icon svg {
    width: 18px;
    height: 18px;
}

.toast-body {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-family: var(--font-title);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 0.15rem;
    line-height: 1.3;
}

.toast-message {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0.1rem;
    flex-shrink: 0;
    transition: color 0.2s;
    margin-top: -2px;
}

    .toast-close:hover {
        color: var(--color-text-main);
    }

    .toast-close svg {
        width: 16px;
        height: 16px;
    }

/* Auto-dismiss progress bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    border-radius: 0 0 14px 14px;
    animation: toastProgress 5s linear forwards;
}

.toast-success .toast-progress {
    background: #22c55e;
}

.toast-error .toast-progress {
    background: #f87171;
}

@keyframes toastProgress {
    from {
        width: 100%;
    }

    to {
        width: 0%;
    }
}

/* Mobile: full-width toasts at the bottom */
@media (max-width: 480px) {
    .toast-container {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        width: auto;
        max-width: none;
    }
}